Completar frases Fill the blanksVersión en línea Fill the blanks in these expressions used in the video you watched. You need to click on the words you need to complete the expressions that match the definitions. You need to start at the top and work your way down. por Marietta Chela 1 grapple square collapse seek void set structural lignite 1 . Often referred to as brown coal , it is a soft , brown , combustible , sedimentary rock formed from naturally compressed peat and known as . 2 . To try hard to understand a difficult idea or to solve a difficult problem is to with . 3 . A dramatic shift in the way an industry or market functions , usually brought on by major economic developments is known as change . 4 . An idiomatic expression that means to do something that is very difficult or impossible is to the circle . 5 . A breakdown of a national , regional , or territorial economy that typically follows a time of crisis is known as economic . 6 . To fill the means to provide something that is missing or needed . 7 . To up new industry means to establish new industry . 8 . To the solution to a problem means to try to obtain the solution .
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